Polls database
Every poll we use, with its source
11,685 polls since 2015: national questions, Senate, House, governor and state legislative races, presidential primaries and ballot measures. Filter, then open any poll’s release.
Matching polls
4,582Senate polls.
Polls per month
287
Jul 2015Jan 2017Jan 2018Jan 2019Jan 2020Jan 2021Jan 2022Jan 2023Jan 2024Jan 2025Nov 2026
November, so far
Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database
| Dates | Question | Pollster | Sponsor | Sample | Pop. | Mode | Result | Margin | Adjusted | vs result | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 23–28, 2020 | 2020 United States Senate election in South Carolina (2020)Not averaged | B Data for Progress | — | 824 | LV | — | Harrison 46 · Graham 47 | R+1 | — | — | Release |
| Sep 23–28, 2020 | 2020 United States Senate election in South Carolina (2020) | B Data for Progress | — | 824 | LV | — | Harrison 44 · Graham 45 | R+1 | — | — | Release |
| Sep 24–28, 2020 | 2020 United States Senate election in South Carolina (2020) | C GBAO | the DSCC | 800 | LV | — | Harrison 48 · Graham 47 | D+1 | — | — | Release |
| Sep 22–28, 2020 | 2020 United States Senate election in North Carolina (2020) | B ALG Research | Piedmont Rising | 822 | V | — | Cunningham 53 · Tillis 41 | D+12 | — | — | Release |
| Sep 24–28, 2020 | 2020 United States Senate election in New Hampshire (2020) | C University of New Hampshire | — | 972 | LV | — | Shaheen 54 · Messner 41 | D+13 | — | — | Release |
| Sep 25–28, 2020 | 2020 United States Senate election in New Hampshire (2020) | C+ American Research Group | — | 600 | LV | — | Shaheen 56 · Messner 40 | D+16 | — | — | Release |
| Sep 26–28, 2020 | 2020 United States Senate election in Michigan (2020) | B Trafalgar Group | Restoration PAC | 1,042 | LV | — | Peters 48 · James 47 | D+1 | — | — | Release |
| Sep 23–28, 2020 | 2020 United States Senate election in Maine (2020)Not averaged | B Data for Progress | — | 718 | LV | — | Gideon 50 · Collins 42 | D+8 | — | — | Release |
| Sep 23–28, 2020 | 2020 United States Senate election in Maine (2020) | B Data for Progress | — | 718 | LV | — | Gideon 46 · Collins 41 | D+5 | — | — | Release |
| Sep 23–28, 2020 | 2020 United States Senate election in Iowa (2020)Not averaged | B Data for Progress | — | 743 | LV | — | Greenfield 46 · Ernst 45 | D+1 | — | — | Release |
| Sep 23–28, 2020 | 2020 United States Senate election in Iowa (2020) | B Data for Progress | — | 743 | LV | — | Greenfield 44 · Ernst 42 | D+2 | — | — | Release |
| Sep 19–28, 2020 | 2020 United States Senate special election in Arizona (2020) | C Morning Consult | — | 1,000 | LV | — | Kelly 53 · McSally 36 | D+17 | — | — | Release |
| Sep 23–28, 2020 | 2020 United States Senate special election in Arizona (2020) | B Data for Progress | — | 808 | LV | — | Kelly 51 · McSally 42 | D+9 | — | — | Release |
| Sep 25–28, 2020 | 2020 United States Senate special election in Arizona (2020) | B Susquehanna Polling & Research, Inc. | The American Greatness PAC | 500 | LV | — | Kelly 48 · McSally 45 | D+3 | — | — | Release |
| Sep 23–27, 2020 | 2020 United States Senate election in South Carolina (2020) | A− Quinnipiac University | — | 1,123 | LV | — | Harrison 48 · Graham 48 | Even | — | — | Release |
| Sep 24–27, 2020 | 2020 United States Senate election in North Carolina (2020) | — Hart Research Associates | The Human Rights Campaign | 400 | LV | — | Cunningham 54 · Tillis 41 | D+13 | — | — | Release |
| Sep 24–27, 2020 | 2020 United States Senate election in Kansas (2020) | C GBAO | Bollier's campaign | 600 | LV | — | Bollier 45 · Marshall 43 | D+2 | — | — | Release |
| Sep 24–27, 2020 | 2020 United States Senate election in Iowa (2020) | — Hart Research Associates | The Human Rights Campaign | 400 | LV | — | Greenfield 48 · Ernst 48 | Even | — | — | Release |
| Sep 21–27, 2020 | 2020 United States Senate election in Delaware (2020) | — University of Delaware | — | 847 | LV | — | Coons 57 · Witzke 27 | D+30 | — | — | Release |
| Sep 23–26, 2020 | 2020 United States Senate election in Iowa (2020) | D RABA Research | — | 780 | LV | — | Greenfield 51 · Ernst 39 | D+12 | — | — | Release |
| Sep 22–25, 2020 | 2020 United States Senate election in Virginia (2020) | A+ Cygnal | Daniel Gade's campaign | 600 | LV | — | Warner 51 · Gade 41 | D+10 | — | — | Release |
| Sep 18–25, 2020 | 2020 United States Senate election in Texas (2020) | B YouGov/UMass Lowell | — | 882 | LV | — | Hegar 40 · Cornyn 50 | R+10 | — | — | Release |
| Sep 22–25, 2020 | 2020 United States Senate election in South Carolina (2020) | B YouGov | — | 1,080 | LV | — | Harrison 44 · Graham 45 | R+1 | — | — | Release |
| Sep 18–25, 2020 | 2020 United States Senate election in North Carolina (2020) | B YouGov/UMass Lowell | — | 921 | LV | — | Cunningham 49 · Tillis 43 | D+6 | — | — | Release |
| Sep 22–25, 2020 | 2020 United States Senate election in North Carolina (2020) | B− CBS News/YouGov | — | 1,213 | LV | — | Cunningham 48 · Tillis 38 | D+10 | — | — | Release |
| Sep 17–25, 2020 | 2020 United States Senate election in New Hampshire (2020) | B YouGov/UMass Lowell | — | 657 | LV | — | Shaheen 56 · Messner 37 | D+19 | — | — | Release |
| Sep 23–25, 2020 | 2020 United States Senate election in Michigan (2020) | B Trafalgar Group | — | 1,047 | LV | — | Peters 47 · James 47 | Even | — | — | Release |
| Sep 21–24, 2020 | 2020 United States Senate election in South Carolina (2020) | C Brilliant Corners Research & Strategies | Harrison's campaign | 608 | LV | — | Harrison 45 · Graham 43 | D+2 | — | — | Release |
| Sep 20–24, 2020 | 2020 United States Senate election in Minnesota (2020) | A Suffolk University | — | 500 | LV | — | Smith 45 · Lewis 35 | D+10 | — | — | Release |
| Sep 21–23, 2020 | 2020 United States Senate election in Minnesota (2020) | A Mason-Dixon Polling & Research, Inc. | — | 800 | LV | — | Smith 49 · Lewis 41 | D+8 | — | — | Release |
| Sep 19–23, 2020 | 2020 United States Senate election in Michigan (2020) | B+ Marist University | NBC | 799 | LV | — | Peters 49 · James 44 | D+5 | — | — | Release |
| Sep 17–23, 2020 | 2020 United States Senate election in Maine (2020)Not averaged | C− Colby College | — | 847 | LV | — | Gideon 47 · Collins 43 | D+4 | — | — | Release |
| Sep 17–23, 2020 | 2020 United States Senate election in Maine (2020) | C− Colby College | — | 847 | LV | — | Gideon 45 · Collins 41 | D+4 | — | — | Release |
| Sep 15–22, 2020 | 2020 United States Senate election in Texas (2020) | B Data for Progress | the Defend Students Action Fund | 726 | LV | — | Hegar 38 · Cornyn 40 | R+2 | — | — | Release |
| Sep 16–22, 2020 | 2020 United States Senate election in Texas (2020) | A The New York Times/Siena University | — | 653 | LV | — | Hegar 37 · Cornyn 43 | R+6 | — | — | Release |
| Sep 18–22, 2020 | 2020 United States Senate election in North Carolina (2020) | C− Meredith College | — | 705 | RV | — | Cunningham 43 · Tillis 42 | D+1 | — | — | Release |
| Sep 9–22, 2020 | 2020 United States Senate election in Michigan (2020) | C− Baldwin Wallace University | — | 1,001 | LV | — | Peters 46 · James 41 | D+5 | — | — | Release |
| Sep 20–22, 2020 | 2020 United States Senate election in Maine (2020) | C Moore Information Group | the NRSC | 600 | LV | — | Gideon 42 · Collins 42 | Even | — | — | Release |
| Sep 16–22, 2020 | 2020 United States Senate election in Iowa (2020) | A The New York Times/Siena University | — | 501 | LV | — | Greenfield 42 · Ernst 40 | D+2 | — | — | Release |
| Sep 18–22, 2020 | 2020 United States Senate election in Iowa (2020)Not averaged | A− Monmouth University Polling Institute | — | 402 | LV | — | Greenfield 48 · Ernst 47 | D+1 | — | — | Release |
| Sep 18–22, 2020 | 2020 United States Senate election in Iowa (2020) | A− Monmouth University Polling Institute | — | 402 | LV | — | Greenfield 49 · Ernst 46 | D+3 | — | — | Release |
| Sep 18–22, 2020 | 2020 United States Senate election in Iowa (2020)Not averaged | A− Monmouth University Polling Institute | — | 402 | RV | — | Greenfield 47 · Ernst 47 | Even | — | — | Release |
| Sep 15–22, 2020 | 2020 United States Senate special election in Arizona (2020) | B Data for Progress | the Defend Students Action Fund | 481 | LV | — | Kelly 47 · McSally 38 | D+9 | — | — | Release |
| Sep 9–21, 2020 | 2020 United States Senate election in Virginia (2020) | B− Christopher Newport University | — | 796 | LV | — | Warner 52 · Gade 39 | D+13 | — | — | Release |
| Sep 17–21, 2020 | 2020 United States Senate election in Texas (2020) | A− Quinnipiac University | — | 1,078 | LV | — | Hegar 42 · Cornyn 50 | R+8 | — | — | Release |
| Sep 11–20, 2020 | 2020 United States Senate election in Texas (2020) | C Morning Consult | — | 2,616 | LV | — | Hegar 39 · Cornyn 45 | R+6 | — | — | Release |
| Sep 11–20, 2020 | 2020 United States Senate election in South Carolina (2020) | C Morning Consult | — | 764 | LV | — | Harrison 45 · Graham 46 | R+1 | — | — | Release |
| Sep 17–20, 2020 | 2020 United States Senate election in Oklahoma (2020) | C+ Amber Integrated | — | 500 | LV | — | Broyles 30 · Inhofe 46 | R+16 | — | — | Release |
| Sep 11–20, 2020 | 2020 United States Senate election in North Carolina (2020) | C Morning Consult | — | 1,604 | LV | — | Cunningham 47 · Tillis 38 | D+9 | — | — | Release |
| Sep 17–20, 2020 | 2020 United States Senate election in North Carolina (2020) | B+ Harper Polling/Civitas | — | 612 | LV | — | Cunningham 44 · Tillis 38 | D+6 | — | — | Release |
Showing 2,601–2,650 of 4,582
Adjusted: after house-effect and population corrections. vs result: margin minus the certified or unofficial result. Latest poll in the database ended Nov 2, 2026. Source: each poll’s own release, as cited by the poll list it was compiled from (The New York Times for Senate, governor and House races; Wikipedia for other offices)